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The challenge of policy and charging control in a 5G network
- Tuesday | 10th December, 2019
PCF (Policy Charging Function) governs the Control plane functions via Policy rules defined and User plane functions via Policy enforcement. Policy Control in a 5G NetworkKey aspects like QoS control, Traffic Steering/Routing, Application & its capabilities detection, Subscriber Spending/Usage Monitoring, Interworking with IMS Nodes, Enabling differentiated Services, Gating Control, Network slice enablement, Roaming support, etc. When compared with 4G EPC, it’s functionalities resembles with MME, SGW-C (Control Plane) and PGW-C (Control Plane) of 4G Network. CHF (CHarging Function): CHF is an integral entity in CCS (Converged Charging System) which provides Account Balance Management function, Rating Function and Charging Gateway Function. If compared with 4G EPC, CHF combines the functionality of OCF (Online Charging Function) and CDF (Charging Data Function).
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